Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Toolbox/OrthancDatasets/SimplifiedOrthancDataset.cpp @ 1652:fa9e6bf84958
integrating pdf.js into Stone Web viewer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 16 Nov 2020 20:47:53 +0100 |
parents | 8563ea5d8ae4 |
children | 9ac2a65d4172 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #include "SimplifiedOrthancDataset.h" #include <OrthancException.h> #include <DicomParsing/FromDcmtkBridge.h> namespace OrthancStone { const Json::Value* SimplifiedOrthancDataset::LookupPath(const DicomPath& path) const { const Json::Value* content = &root_; for (unsigned int depth = 0; depth < path.GetPrefixLength(); depth++) { const std::string name = Orthanc::FromDcmtkBridge::GetTagName( path.GetPrefixTag(depth), "" /* no private creator */); if (content->type() != Json::objectValue) { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); } if (!content->isMember(name)) { return NULL; } const Json::Value& sequence = (*content) [name]; if (sequence.type() != Json::arrayValue) { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); } size_t index = path.GetPrefixIndex(depth); if (index >= sequence.size()) { return NULL; } else { content = &sequence[static_cast<Json::Value::ArrayIndex>(index)]; } } const std::string name = Orthanc::FromDcmtkBridge::GetTagName( path.GetFinalTag(), "" /* no private creator */); if (content->type() != Json::objectValue) { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); } if (!content->isMember(name)) { return NULL; } else { return &((*content) [name]); } } void SimplifiedOrthancDataset::CheckRoot() const { if (root_.type() != Json::objectValue) { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); } } SimplifiedOrthancDataset::SimplifiedOrthancDataset(IOrthancConnection& orthanc, const std::string& uri) { IOrthancConnection::RestApiGet(root_, orthanc, uri); CheckRoot(); } SimplifiedOrthancDataset::SimplifiedOrthancDataset(const std::string& content) { IOrthancConnection::ParseJson(root_, content); CheckRoot(); } bool SimplifiedOrthancDataset::GetStringValue(std::string& result, const DicomPath& path) const { const Json::Value* value = LookupPath(path); if (value == NULL) { return false; } else if (value->type() != Json::stringValue) { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); } else { result = value->asString(); return true; } } bool SimplifiedOrthancDataset::GetSequenceSize(size_t& size, const DicomPath& path) const { const Json::Value* sequence = LookupPath(path); if (sequence == NULL) { // Inexistent path return false; } else if (sequence->type() != Json::arrayValue) { // Not a sequence throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); } else { size = sequence->size(); return true; } } }